package cn.edu.zsc.rbac.view;

import cn.edu.zsc.rbac.domain.dto.DeptDto;
import cn.edu.zsc.rbac.domain.vo.DeptVo;
import cn.edu.zsc.rbac.domain.vo.Result;
import cn.edu.zsc.rbac.service.IDeptService;
import cn.edu.zsc.rbac.service.array.DeptService;

public class DeptView extends BaseView<DeptVo, IDeptService>{

    private static final String MENU = """
            --------------------------
                    部门管理
            --------------------------
            | 0 返回上级 |
            | 1 部门列表 |
            | 2 创建部门 |
            | 3 更新部门 |
            | 4 删除部门 |
            --------------------------
            请输入选项:""";

    private static DeptView singleton;
    
    private DeptView() {
        service = DeptService.getInstance();
    }

    public static DeptView getInstance() {
        if (singleton == null) {
            singleton = new DeptView();
        }
        return singleton;
    }

    /**
     * 显示界面
     */
    public void show() {
        String menuChoice;
        do {
            System.out.print(MENU);
            menuChoice = MainView.input.nextLine();
            switch (menuChoice) {
                case "0" -> System.out.println("已返回上一级菜单！");
                case "1" -> list();
                case "2" -> create();
                case "3" -> update();
                case "4" -> delete();
                default -> System.out.println("输入非法：请输入正确的菜单编号！");
            }
        } while (!"0".equals(menuChoice));
    }


    public void printError(String message) {
        System.out.println("\033[31m" + message + "\033[0m");
    }

    public void list() {
        Result result = service.list();
        cache = (DeptVo[]) result.data;
        System.out.println("ID\t部门名称\t部门电话");
        for (DeptVo dept : cache) {
            System.out.printf("%d\t%s\t%s\n", dept.id, dept.name, dept.phone);
        }
    }

    public void create() {
        System.out.println("请输入部门名称：");
        String name = MainView.input.nextLine();
        System.out.println("请输入部门电话：");
        String phone = MainView.input.nextLine();
        DeptDto dto = new DeptDto(name, phone);
        Result result = service.create(dto);
        if (!result.success) {
            System.err.println(result.message);
            return;
        }
        System.out.println(result.message);
        list();
    }

    public void update() {
        DeptVo dept = getCacheById();
        if (dept == null) {
            return;
        }
        System.out.println("请输入部门名称，直接按回车表示不修改：");
        String name = MainView.input.nextLine();
        name = "".equals(name) ? dept.name : name;
        System.out.println("请输入部门电话，直接按回车表示不修改：");
        String phone = MainView.input.nextLine();
        phone = "".equals(phone) ? dept.phone : phone;
        DeptDto dto = new DeptDto(name, phone);
        Result result = service.update(dto, dept.id);
        if (!result.success) {
            System.err.println(result.message);
            return;
        }
        System.out.println(result.message);
        list();
    }

    public void delete() {
        DeptVo dept = getCacheById();

        if (dept == null) {
            return;
        }
        System.out.println("输入Y确认删除，输入其他取消删除：");
        String choice = MainView.input.nextLine();
        if (!"Y".equalsIgnoreCase(choice)) {
            System.out.println("您已取消删除");
            return;
        }
        Result result = service.delete(dept.id);
        if (!result.success) {
            System.err.println(result.message);
            return;
        }
        System.out.println(result.message);
        list();
    }


}
